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eb73390ae2
linux/drivers/ata
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Florian Fainelli eb73390ae2 ata: ahci_brcm: Recover from failures to identify devices 
When powering up, the SATA controller may fail to mount the HDD. The SATA
controller will lock up, preventing it from negotiating to a lower speed or
transmitting data. Root cause is power supply noise creating resonance at 6 Ghz
and 3 GHz frequencies, which causes instability in the Clock-Data Recovery
(CDR) frontend module, resulting in false acquisition of the clock at SATA
6G/3G speeds.

The SATA controller may fail to mount the HDD and lock up, requiring a power
cycle. Broadcom chips suspected of being susceptible to this issue include
BCM7445, BCM7439, and BCM7366.

The Kernel implements an error recovery mechanism that resets the SATA PHY and
digital controller when the controller locks up. During this error recovery
process, typically there is less activity on the board and Broadcom STB chip,
so that the power supply is less noisy, thus allowing the SATA controller to
lock correctly.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2018-01-17 07:52:29 -08:00
..
acard-ahci.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
ahci_brcm.c ata: ahci_brcm: Recover from failures to identify devices 2018-01-17 07:52:29 -08:00
ahci_ceva.c ata: ceva: Add SMMU support for SATA IP 2017-10-23 07:09:27 -07:00
ahci_da850.c sata: ahci-da850: Fix some error handling paths in 'ahci_da850_probe()' 2017-08-16 07:38:27 -07:00
ahci_dm816.c ata: ahci: add support for DaVinci DM816 SATA controller 2017-03-24 11:40:03 -04:00
ahci_imx.c ahci: imx: Handle increased read failures for IMX53 temperature sensor in low frequency mode. 2017-11-13 12:17:43 -08:00
ahci_mtk.c ahci: mtk: Change driver name to ahci-mtk 2017-12-04 12:35:29 -08:00
ahci_mvebu.c ata: ahci_mvebu: add support for Armada 3700 variant 2016-02-18 12:41:17 -05:00
ahci_octeon.c Delete redundant return value check of platform_get_resource() 2017-03-06 15:40:59 -05:00
ahci_platform.c ata: ahci_platform: Add shutdown handler 2017-08-04 13:34:14 -07:00
ahci_qoriq.c ahci: qoriq: refine port register configuration 2017-12-04 12:18:08 -08:00
ahci_seattle.c ata: fix return value check in ahci_seattle_get_port_info() 2016-06-15 14:26:41 -04:00
ahci_st.c ahci: st: Add ports-implemented property in support 2016-08-10 12:16:49 -04:00
ahci_sunxi.c ata: ahci_platform: fix owner module reference mismatch for scsi host 2015-01-28 18:45:23 -05:00
ahci_tegra.c ata: ahci_platform: fix owner module reference mismatch for scsi host 2015-01-28 18:45:23 -05:00
ahci_xgene.c ata: ahci_xgene: free structure returned by acpi_get_object_info() 2017-01-06 11:39:14 -05:00
ahci.c ahci: Add Intel Cannon Lake PCH-H PCI ID 2018-01-11 10:09:47 -08:00
ahci.h ahci: Allow setting a default LPM policy for mobile chipsets 2017-12-11 08:53:33 -08:00
ata_generic.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
ata_piix.c ata_piix: constify pci_bits 2018-01-08 06:15:41 -08:00
Kconfig ahci: Allow setting a default LPM policy for mobile chipsets 2017-12-11 08:53:33 -08:00
libahci_platform.c ata: mark expected switch fall-throughs 2017-10-23 07:06:09 -07:00
libahci.c ahci: Convert timers to use timer_setup() 2017-10-19 23:15:16 +02:00
libata-acpi.c ACPI and power management updates for 3.15-rc1 2014-04-01 12:48:54 -07:00
libata-core.c libata: sata_down_spd_limit should return if driver has not recorded sstatus speed 2017-12-04 13:57:03 -08:00
libata-eh.c Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2017-11-15 14:11:41 -08:00
libata-pmp.c ata: pmp: add quirk for Marvell 4140 SATA PMP 2015-07-14 17:46:38 -04:00
libata-scsi.c libata: make static arrays const, reduces object code size 2017-09-19 11:53:11 -07:00
libata-sff.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
libata-trace.c libata: NCQ encapsulation for ZAC MANAGEMENT OUT 2016-05-09 12:36:46 -04:00
libata-transport.c libata: transport: Remove circular dependency at free time 2017-03-06 15:24:48 -05:00
libata-transport.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
libata-zpodd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
libata.h Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2017-11-15 14:11:41 -08:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pata_acpi.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_ali.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_amd.c cs5536: add support for IDE controller variant 2017-08-11 10:35:07 -07:00
pata_arasan_cf.c drivers: ata: pata_arasan_cf: use the same name for the same lock 2016-06-28 12:49:40 -04:00
pata_artop.c ata: pata_artop: remove redundant initialization of pio 2017-09-18 20:24:21 -07:00
pata_at32.c ata: drop owner assignment from platform_drivers 2014-10-20 16:20:17 +02:00
pata_atiixp.c libata:pata_atiixp: Don't use unconnected secondary port on SB600 2018-01-08 04:02:02 -08:00
pata_atp867x.c ata: mark expected switch fall-throughs 2017-10-23 07:06:09 -07:00
pata_bf54x.c ata: bf54x: cut drvdata assignment 2017-05-30 11:54:36 -04:00
pata_bk3710.c pata_bk3710: clear status bits of BMISP on chipset initialization 2017-03-30 16:13:04 +05:30
pata_cmd64x.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_cmd640.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_cs5520.c ata: remove deprecated use of pci api 2015-04-08 10:55:05 -04:00
pata_cs5530.c ata: Delete unnecessary checks before the function call "pci_dev_put" 2015-02-03 07:04:44 -05:00
pata_cs5535.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_cs5536.c cs5536: add support for IDE controller variant 2017-08-11 10:35:07 -07:00
pata_cypress.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_efar.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_ep93xx.c ata: ep93xx: cut drvdata assignment 2017-05-30 11:54:36 -04:00
pata_falcon.c Merge branch 'for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2017-02-21 17:21:32 -08:00
pata_ftide010.c ata: ftide010: fix resource printing 2017-06-21 18:06:18 -04:00
pata_hpt3x2n.c ata: delete non-required instances of include <linux/init.h> 2014-02-13 16:40:56 -05:00
pata_hpt3x3.c ata: remove deprecated use of pci api 2015-04-08 10:55:05 -04:00
pata_hpt37x.c ata: delete non-required instances of include <linux/init.h> 2014-02-13 16:40:56 -05:00
pata_hpt366.c ata: hpt366: fix incorrect mask when checking at cmd_high_time 2016-07-12 11:02:05 -04:00
pata_icside.c scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTS 2016-04-15 16:53:14 -04:00
pata_imx.c pata: imx: support controller modes up to PIO4 2016-11-09 11:48:58 -05:00
pata_isapnp.c PNP: ata/pata_isapnp: Use module_pnp_driver to register driver 2015-03-18 22:39:17 +01:00
pata_it821x.c pata_it821x: use "const char *" for string literals 2015-10-15 10:58:53 -04:00
pata_it8213.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_ixp4xx_cf.c ata: pass queued command to ->sff_data_xfer method 2017-01-10 11:11:17 -05:00
pata_jmicron.c PCI: Disable async suspend/resume for JMicron multi-function SATA/AHCI 2015-08-24 15:27:11 -05:00
pata_legacy.c ata: pass queued command to ->sff_data_xfer method 2017-01-10 11:11:17 -05:00
pata_macio.c ata: constify of_device_id structures 2017-03-06 15:18:01 -05:00
pata_marvell.c ata: Use IS_ENABLED() instead of checking for built-in or module 2016-05-27 11:27:23 -04:00
pata_mpc52xx.c ata: constify of_device_id structures 2017-03-06 15:18:01 -05:00
pata_mpiix.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_netcell.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_ninja32.c pata_ninja32: Avoid corrupting status flags 2016-08-30 11:59:47 -04:00
pata_ns87410.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_ns87415.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_octeon_cf.c pata_octeon_cf: use of_property_read_{bool|u32}() 2017-08-28 10:44:24 -07:00
pata_of_platform.c ata: constify of_device_id structures 2017-03-06 15:18:01 -05:00
pata_oldpiix.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_opti.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_optidma.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_palmld.c ata: drop owner assignment from platform_drivers 2014-10-20 16:20:17 +02:00
pata_pcmcia.c ata: pass queued command to ->sff_data_xfer method 2017-01-10 11:11:17 -05:00
pata_pdc202xx_old.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_pdc2027x.c pata_pdc2027x : make pdc2027x_*_timing structures const 2017-11-27 11:46:26 -08:00
pata_piccolo.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_platform.c ata: pata_platform: fix owner module reference mismatch for scsi host 2015-01-28 18:45:23 -05:00
pata_pxa.c ata: pata_pxa: dmaengine conversion 2015-09-10 17:02:04 -04:00
pata_radisys.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_rb532_cf.c ata: rb532_cf: cut drvdata assignment 2017-05-30 11:54:37 -04:00
pata_rdc.c ata: declare ata_port_info structures as const 2017-06-12 14:06:34 -04:00
pata_rz1000.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_samsung_cf.c ata: samsung_cf: cut drvdata assignment 2017-05-30 11:54:37 -04:00
pata_sc1200.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_sch.c ata: declare ata_port_info structures as const 2017-06-12 14:06:34 -04:00
pata_serverworks.c pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE Controller 2014-10-07 17:10:14 -04:00
pata_sil680.c ata: remove deprecated use of pci api 2015-04-08 10:55:05 -04:00
pata_sis.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_sl82c105.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_triflex.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pata_via.c ata: use CONFIG_PM_SLEEP instead of CONFIG_PM where applicable in host drivers 2014-05-09 22:37:49 -04:00
pdc_adma.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_dwc_460ex.c ata: sata_dwc_460ex: Propagate platform device ID to DMA driver 2017-11-13 12:17:11 -08:00
sata_fsl.c ata: sata_fsl: cut drvdata assignment 2017-05-30 11:54:37 -04:00
sata_gemini.c ata: sata_gemini: Introduce explicit IDE pin control 2017-08-11 10:32:09 -07:00
sata_gemini.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sata_highbank.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
sata_inic162x.c ata: declare ata_port_info structures as const 2017-06-12 14:06:34 -04:00
sata_mv.c ata: mark expected switch fall-throughs 2017-10-23 07:06:09 -07:00
sata_nv.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_promise.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_promise.h ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_qstor.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_rcar.c ata: sata_rcar: Use of_device_get_match_data() helper 2017-10-04 07:18:29 -07:00
sata_sil24.c ata: remove deprecated use of pci api 2015-04-08 10:55:05 -04:00
sata_sil.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_sis.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_svw.c ata: Convert to using %pOF instead of full_name 2017-07-18 18:02:36 -04:00
sata_sx4.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_uli.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sata_via.c sata_via: Enable optional hotplug on VT6420 2017-06-26 16:54:53 -04:00
sata_vsc.c ata: update references for libata documentation 2017-05-16 11:25:59 -04:00
sis.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00